Pre-Algebra

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Please let me know if I figured these out correctly.
Directions: For the line with the given equation, find the slope of a parallel line and the slope of a perpendicular line.
1)y=6/5x + 144
slope of parallel: 6/5
slope of perpendicular: -5/6
2)4y-4x=16
slope of parallel: 1
slope of perpendicular: -1

*** I do need help with this one: y-7=0
I figured out that y=7, just not sure how to figure out the slopes.

Thanks !!!

  • Pre-Algebra -

    Looks good!

    For y = 7; this is a flat line passing through the point (0,7). The slope is 0.

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